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Climatological Normals

Yearly Normals for National City, CA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 44 67 55 2.52 307 5 Feb 45 67 56 2.31 261 8 Mar 46 67 57 2.47 260 10 Apr 49 70 60 0.88 198 33 May 53 72 63 0.28 128 53 Jun 57 76 67 0.09 60 107 Jul 61 81 71 0.05 12 194 Aug 62 82 72 0.07 9 234 Sep 61 81 71 0.26 23 198 Oct 55 77 66 0.48 61 98 Nov 48 72 60 1.17 186 31 Dec 43 68 56 1.39 303 8 Year 52 73 63 11.97 1808 979 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather